Originally Posted by
SkyTeam777
Awesome, thanks! I wonder if we can use upgrades on any fare or only the highest fares?
It seems like any fare should be eligible, as long as it's booked through JetBlue. The main drawback seems to be that it only gets confirmed 24 hours prior to departure.
See here under "How move to Mint works":
https://www.jetblue.com/trueblue/mos...perks-you-pick